[Haskell-cafe] Template Haskell and unsafePerformIO

[Achim Schneider]

Shouldn't be there some kind of way to run IO code once at the
beginning of template processing? Something like a pair of

templateInit :: IO a

and

templateData :: a

where the a of both functions is the same and the latter is
automagically generated by TH.

Right now, I have to either use unsafePerformIO or runIO and IORef's to
load a file only once. Both solutions aren't necessarily pretty.

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